The Hufffington Post has a good collection of commitments made to the American people regarding the Iraq war.
My personal favorite:
“The idea that it’s going to be a long, long, long battle of some kind I think is belied by the fact of what happened in 1990. Five days or five weeks or five months, but it certainly isn’t going to last any longer than that.”
– Donald H. Rumsfeld, U.S. Secretary of Defense, 11/15/02
Try five years, Rumsfeld.